Home / 2,797.32-3,860.26-1,618.36

Finding the Fourth Proportional to 2,797.32, 3,860.26 and 1,618.36

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Solution

The fourth proportional to 2,797.32, 3,860.26 and 1,618.36 is: 2,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.32 : 3,860.26 = 1,618.36 : x
  2. Step 2: Convert to fraction form
    2,797.32/3,860.26 = 1,618.36/x
  3. Step 3: Cross multiply
    2,797.32x = 3,860.26 × 1,618.36
  4. Step 4: Simplify right side
    2,797.32x = 6,247,290.37
  5. Step 5: Solve for x
    x = 6,247,290.37/2,797.32
  6. Step 6: Final answer
    x = 2,233.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.